Skip to main content
U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2020 GMC Sierra 1500 SLT

Dealer imagery unavailable to OAVRequest current photos and confirm the vehicle's condition with the dealer.

Vehicle Details

VIN3GTU9DED2LG124166
TrimSLT
Exterior ColorGray
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot25

SLT

Fair Price
$34,95588,555 mi

Decatur, TX 76234

Is this 2020 GMC Sierra 1500 SLT a good deal?

OAV verdict: Fair Price

Why: Listed at $34,955, comparable market range $24,998–$43,590, based on 49 comparable listings. Days on lot: 25 days (market average 64 days).

Market price position

$34,955 · within market range

Comparable range
$24,998 – $43,590
vs. market
$9,957 above low · $8,635 below high
Comparable vehicles
49

Market Retail Price (MRP™)

$34,294

This vehicle $34,955 · $661 (2%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$33,759

This vehicle $34,955 · $1,196 (4%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-02) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1550 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$24,998 – $43,590

James Wood Hyundai

Decatur, TX

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from james wood hyundai

Request availability and out-the-door price

OAV will route your inquiry to James Wood Hyundai for current availability of this 2020 GMC Sierra 1500 SLT and an out-the-door price quote (taxes, fees, addons included).

By submitting, you agree that OAV may share your email, ZIP, and message with James Wood Hyundai so the dealer can respond to your request. See our Privacy Policy.

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2020 GMC Sierra 1500

Listing updated: Aug 2, 2026

Listed by a franchise dealer in Decatur, TX · On lot for 25 days · VIN verifiable at NHTSA

This used 2020 GMC Sierra 1500 SLT is listed at $34,955 by james wood hyundai in Decatur, TX 76234. It has 88,555 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Gray. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 49 comparable listings matched to this vehicle, the estimated market range is $24,998 to $43,590. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 25 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Decatur, TX trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

How this deal is rated

OAV compares this 2020 GMC Sierra 1500 against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the typical range for comparable vehicles.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Decatur, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9DED2LG124166 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2020 GMC Sierra 1500 Market in TX

TX Market Listings

1,102

Average Price

$33,386

Price Range

$11,400–$90,000

Avg Days on Lot

64

Based on all 1,102 2018-2022 GMC Sierra 1500 listings in the TX market, the average asking price is $33,386. This listing at $34,955 is $1,569 above the broader TX average (5% above the TX average). This is a wider, all-trim comparison across TX; OAV's price verdict above uses the closer comparable set. Comparable prices in TX range from $11,400 to $90,000. Similar vehicles spend an average of 64 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in TX

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)